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          --- What’s your brother?
           ---He _______ a teacher, but now he is a doctor.
          A．used to beB．was used to
          C．use to beD．is used to be
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A
          考察used用法。Be used to sth習慣于某事，used to do sth過去常常做某事。句意：你哥哥做什么工作？本句根據(jù)后文but now he is a doctor.，可知前文說的是過去常常做某事，故選A
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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